One of the best fuel tanks made, Hayes" 16 ounce slimline fuel tank won"t split or crack, as each tank is blow molded in a single piece for seamless strength. Tough polyethylene construction resists against glow, gasoline or diesel fuels. Each comes complete with hardware, line and clunk, and a generous chin under fuel stopper that prevents kinked lines and lost power. While regular tanks can be installed anywhere, slimline tanks were created for above retract installations and offer a low profile design that minimizes clearance problems.